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Photo : Françoise Vaselli à Saint-Julien-de-Peyrolas (30), le 22/06/2019
Pour différencier le genre
Gerris du genre
Aquarius,il faut comparer les antennes.
1er article antennaire plus long que le 2ème et 3ème réunis=
Aquarius
1er article antennaire plus court que 2ème et 3ème réunis=
Gerris
source:
insecte.org
Espèce liée :
Voir d'autres images sur
la galerie insecte.org
Les observations :
Légende :

plaines

plateaux

montagnes

observation validée

observation à valider

présence avant 1990
Phénologie :
(nombre d'observations par décade)
4 observations gardoises
3 sites